No problem, we've got 8908145 and 71929125 to multiply
8908145 × 71929125 = 71929125 × (8908145)
+ 71929125 × 5 producing 359645625
+ 71929125 × 40 resulting in 2877165000
+ 71929125 × 100 what gives us 7192912500
+ 71929125 × 8000 resulting in 575433000000
+ 71929125 × 00000 that equals 0
+ 71929125 × 900000 which equals 64736212500000
+ 71929125 × 8000000 giving us 575433000000000

= 640755075223125
